Can you think of any three-dimensional shape that comprises of exactly two surfaces?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

How many triangles can you find in this given picture?

Why did Buffon take the goal with him after every Juventus match?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

The LCD device should be able to tell the right time in the format HH:MM: SS in a 12-hour format. You can refer to the picture to get an idea. The device is a simple "level indicator" which has to be converted into a watch. How will you program it to work?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

Before Mount Everest was discovered, what was the highest mountain in the world?